ECHO cloning is a rapid, easy and common DNA recombination technique.目的:利用ECHO克隆 系统建立一种更加快速 、 方便、通用的DNA重组技术.The methods include using Agrobacterium - mediated transformation , electroporation, gene gun bombardment andgly...
DNA fingerprinting has proved the clincher in this investigation.在这次调查中，DNA指纹鉴定起了决定性的作用。DNA profiling has aided the struggle against crime.DNA分析对于打击犯罪有所帮助。They act at least a temporary block to DNA synthesis in micro - o...
Profit margins have been slashed to the bone in an attempt to keep turnover moving.为了维持资金周转，利润率已被降为最低。They slashed the vegetation back with their machetes.他们用大砍刀把作物截短.He slashed at her, aiming carefully.他仔细地瞄准她劈了过去。A wil...
The newspapers accused local police of laxity in dealing with gamblers.报纸指责当地警察在对付赌徒方面执法不严.Most compulsive gamblers are not successful.多数嗜赌成瘾的赌徒都常赌输.Most people have a low opinion of gamblers.大多数人对赌徒评价很低....
他还有很多强压的愤怒要发泄。He still had a lot of pent-up anger to release.他愤怒地反击，说这些话太过幼稚。He hit back angrily, saying such remarks were childishly simplistic.珍妮弗做出愤怒的反应，开始大倒苦水。Jennifer responded with anger and played the martyr role....